12456077 has 4 divisors (see below), whose sum is σ = 13111680. Its totient is φ = 11800476.

The previous prime is 12456071. The next prime is 12456097. The reversal of 12456077 is 77065421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77065421 = 733 ⋅105137.

It is a cyclic number.

It is not a de Polignac number, because 12456077 - 2¹⁶ = 12390541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327773 + ... + 327810.

It is an arithmetic number, because the mean of its divisors is an integer number (3277920).

Almost surely, 2^12456077 is an apocalyptic number.

It is an amenable number.

12456077 is a deficient number, since it is larger than the sum of its proper divisors (655603).

12456077 is an equidigital number, since it uses as much as digits as its factorization.

12456077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655602.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 12456077 is about 3529.3167894084. The cubic root of 12456077 is about 231.8072926601.

The spelling of 12456077 in words is "twelve million, four hundred fifty-six thousand, seventy-seven".